31820221461

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1\times {\mathrm{2339}}^1$

素因数の和:3138

約数の個数: 64

約数和(自身を含む): 52404019200

約数和(自身を除く): 20583797739

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 719, 901, 1113, 2157, 2339, 2703, 5033, 6307, 7017, 12223, 15099, 16373, 18921, 36669, 38107, 39763, 49119, 85561, 114321, 119289, 123967, 256683, 266749, 278341, 371901, 647819, 800247, 835023, 867769, 1681741, 1943457, 2107439, 2603307, 4534733, 5045223, 6322317, 11772187, 13604199, 14752073, 28589597, 35316561, 44256219, 85768791, 89132273, 200127179, 267396819, 600381537, 623925911, 1515248641, 1871777733, 4545745923, 10606740487, 31820221461]

約数ペア:

[(1, 31820221461), (3, 10606740487), (7, 4545745923), (17, 1871777733), (21, 1515248641), (51, 623925911), (53, 600381537), (119, 267396819), (159, 200127179), (357, 89132273), (371, 85768791), (719, 44256219), (901, 35316561), (1113, 28589597), (2157, 14752073), (2339, 13604199), (2703, 11772187), (5033, 6322317), (6307, 5045223), (7017, 4534733), (12223, 2603307), (15099, 2107439), (16373, 1943457), (18921, 1681741), (36669, 867769), (38107, 835023), (39763, 800247), (49119, 647819), (85561, 371901), (114321, 278341), (119289, 266749), (123967, 256683)]